Scaffolding systems are temporary platforms used on construction sites. There are three types: supported, suspended, and adjustable. Factors to consider when choosing include ground stability, budget, building design, space, and project planning. Supported platforms are the most cost-effective and easiest to enclose, while adjustable systems are quicker to erect and more productive. Suspended scaffolds are best for tall buildings.
A scaffolding system is a series of temporary working platforms erected on a construction site to allow workers to perform activities above ground level. There are three basic types of scaffolding systems, and each offers distinct advantages and disadvantages. The most common is the supported platform system, which has wooden or metal elevated platforms supported by grounded posts and frames. Next, there is suspended scaffolding, which is a platform suspended from the top of a building using ropes. Finally, there is the adjustable scaffold system, which can be raised and lowered using pulleys or mechanical methods.
To choose the best scaffolding system for your project, there are a number of factors to consider. One of the most critical elements is the state of the ground where the scaffolding will be used. If the earth is unstable in this area, or if erecting scaffolding would prevent access, a suspended scaffolding system is best. That way, it won’t block access to the building for other trades or the building’s occupants. An adjustable scaffold on wheels is another solution, but these machines are difficult to operate on uneven ground.
Another important consideration is the project budget. A supported platform system is the most cost-effective type of scaffolding system, especially since the system components can be reused for many years. Adjustable scaffolding is a more expensive option, although the higher productivity associated with these units may offset the initial purchase or rental costs. Suspended scaffolds are the most expensive of all because they must be designed to work with a specific project.
Next, consider the building design. For very tall buildings, it is easier and safer to use suspended scaffolding than to build a platform dozens of stories high. For buildings that are not square or contain many recesses and ledges on the exterior, a supported platform scaffold will provide the most flexibility. Construction sites with limited space or nearby obstacles will require the use of a supported platform or suspended scaffold system, as adjustable scaffolds are quite large and must be moved using a crane. Finally, supported platform scaffolds are the three easiest to enclose, allowing you to continue your work on cold winter days.
It is also important to consider project planning when choosing a scaffolding system. Because they allow masons to work continuously at the most productive level possible, adjustable systems help get the job done faster. In general, an adjustable system is also quicker to erect than a supported platform and does not require the engineering required with suspended systems. These factors usually mean that jobs with a tight schedule will work best using an adjustable scaffolding system.
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